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Finding the Fourth Proportional to 5,462.64, 8,191.80 and 2,541.24

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Solution

The fourth proportional to 5,462.64, 8,191.80 and 2,541.24 is: 3,810.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,462.64 : 8,191.80 = 2,541.24 : x
  2. Step 2: Convert to fraction form
    5,462.64/8,191.80 = 2,541.24/x
  3. Step 3: Cross multiply
    5,462.64x = 8,191.80 × 2,541.24
  4. Step 4: Simplify right side
    5,462.64x = 20,817,329.83
  5. Step 5: Solve for x
    x = 20,817,329.83/5,462.64
  6. Step 6: Final answer
    x = 3,810.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.